Go to the previous page

Use the “Left-arrow” button, or the “Left-arrow” key on the keyboard to go to the previous page in the current topic. If the current page is the first page of this topic, the “Left-arrow” button does nothing.

Go to the next page

Use the “Right-arrow” button, or the “Right-arrow” key on the keyboard to go to the next page in the current topic. If the current page is the last page of this topic, the “Right-arrow” button does nothing.

Go to the previous topic

Use the “Up-arrow” button, or the “Up-arrow” key on the keyboard to go to the previous topic. If the current topic is the first topic, the “Up-arrow” button does nothing.

Go to the next topic

Use the “Down-arrow” button, or the “Down-arrow” key on the keyboard to go to the next topic. If the current topic is the last topic, the “Down-arrow” button does nothing.

Return to the last topic

Use the “Return-arrow” button or the “Return” key to return to the last topic, i.e., the topic you viewed before the current topic.